Social Media and Online Communities -- Multi-Step Ahead PM2.5 Prediction Based On Hybrid Machine Learning Techniques -- A Joint Framework for Knowledge Extraction from Flight Training Comments -- ScholarRec: A User Recommendation System for Academic Social Network -- Incremental Evolutionary Community Discovery Method based on Neighbor Subgraph -- Video Rumor Classification Based on Multi-modal Theme and Keyframe Fusion -- Association Rule Guided Web API Complementary Function Recommendation for Mashup Creation: An Explainable Perspective -- Globally Consistent Vertical Federated Graph Autoencoder for Privacy-Preserving Community Detection -- Research on user personality characteristics mining based on social media -- A Unified Stream and Batch Graph Computing Model for Community Detection -- A Feature Fusion-based Service Classification Approach for Collaborative Development -- Requirements Classification and Identification Approach for E-collaboration System -- Community Evolution Tracking Based on Core Node Extension and Edge Variation Discerning -- University Knowledge Graph Construction Based on Academic Social Network -- Country-Level Collaboration Patterns of Social Computing Scholars -- An Intelligent Mobile System for Monitoring Relapse of Depression -- Fine-grained Sentiment Analysis of Online-Offline Danmaku Based on CNN and Attention -- Ramp merging of connected vehicle with virtual platooning control -- Community Detection based on Enhancing Graph Autoencoder with Node Structural Role -- Representation of Chinese-Vietnamese Bilingual News Topics Based on Heterogeneous Graph -- Convolutional Self-Attention Network for Sequential Recommendation -- Towards Using Local Process Mining to Analyse Learning Behavior Pattern -- Collaborative Mechanisms, Models, Approaches, Algorithms and Systems -- Memory-e↵ective parallel mining of incremental frequent itemsets based on multi-scale -- An AST-based collaborative discussion tool for the MOOC environment -- DQN-based Comprehensive Consumption Minimization on Calculation Offloading in Mobile Edge Computing -- Stochastic Task Offloading Problems for Edge Computing -- Container-Driven Scheduling Strategy for Scientific Workflows in Multi-vCPU Environments -- A Segmented Path Heuristic Recovery Algorithm for WSNs Based on Mobile Sink -- TRindex: Distributed double-layer road network trajectory index -- Sleep Scheduling for Enhancing the Lifetime of Three-dimensional Heterogeneous Wireless Sensor Networks -- CoSBERT: A Cosine-based Siamese BERT-Networks using for Semantic Textual Similarity -- Towards Heterogeneous Federated Learning -- A Graph-Based Efficient Service Composition Method for Computer Aided Engineering (CAE) -- Privacy-preserving federated learning framework in knowledge concept recommendation -- RCPM: A Rule-based Configurable Process Mining Method -- Popularity Bias Analysis of Recommendation Algorithm Based on ABM Simulation -- Cloud-Edge Collaborative Task Scheduling Mechanism Based on Improved Parameter Adaptation Particle Swarm Optimization Algorithm -- An Approach to Assessing the Health of Opensource Software Ecosystems -- Topic Discovery in Scientific Literature -- Multi-agent Adversarial Reinforcement Learning Algorithm Based on Reward Query Attention Mechanism -- UAV Target Roundup Strategy Based on Wolf Pack Hunting Behavior -- Prediction of New Energy Vehicles via ARIMA-BP Hybrid Model.